[PATCH net-next] tcp: make local function tcp_recv_timestamp static

[Wei Yongjun]

Fixes the following sparse warning:

net/ipv4/tcp.c:1736:6: warning:
 symbol 'tcp_recv_timestamp' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 net/ipv4/tcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f68cb33..d7cf861 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1733,8 +1733,8 @@ static void tcp_update_recv_tstamps(struct sk_buff *skb,
 }
 
 /* Similar to __sock_recv_timestamp, but does not require an skb */
-void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk,
-                       struct scm_timestamping *tss)
+static void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk,
+                              struct scm_timestamping *tss)
 {
        struct timeval tv;
        bool has_timestamping = false;